Home / 1,427,756.84-2,140,951.90-828,883.40

Finding the Fourth Proportional to 1,427,756.84, 2,140,951.90 and 828,883.40

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Solution

The fourth proportional to 1,427,756.84, 2,140,951.90 and 828,883.40 is: 1,242,928.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,756.84 : 2,140,951.90 = 828,883.40 : x
  2. Step 2: Convert to fraction form
    1,427,756.84/2,140,951.90 = 828,883.40/x
  3. Step 3: Cross multiply
    1,427,756.84x = 2,140,951.90 × 828,883.40
  4. Step 4: Simplify right side
    1,427,756.84x = 1,774,599,490,108.46
  5. Step 5: Solve for x
    x = 1,774,599,490,108.46/1,427,756.84
  6. Step 6: Final answer
    x = 1,242,928.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.